Combined bicycle sprocket and chain guard



FIG. 1 is a side elevational view of a combined bicycle sprocket and chain guard showing our new design;

FIG. 2 is an elevational view of the side opposite that shown in FIG. 1; and

FIG. 3 is a top plan view, with a portion shown in section taken along line 3--3 in FIG. 1. 

The ornamental design for a combined bicycle sprocket and chain guard, as shown and described. 